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Kenjiro Mori
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Conference display control method and apparatus for an electronic c...
Patent number
5,995,096
Issue date
Nov 30, 1999
Hitachi, Ltd.
Chiho Kitahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Communication network system in which an unregistered terminal bein...
Patent number
5,864,670
Issue date
Jan 26, 1999
Hitachi, Ltd.
Toshimitsu Hayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cooperative information processing method and apparatus utilizing l...
Patent number
5,748,894
Issue date
May 5, 1998
Hitachi, Ltd.
Takeshi Ishizaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Display control method and apparatus for an electronic conference
Patent number
5,745,711
Issue date
Apr 28, 1998
Hitachi, Ltd.
Chiho Kitahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for establishing new path in ring network and dividing ring...
Patent number
5,712,968
Issue date
Jan 27, 1998
Hitachi, Ltd.
Yoshiyuki Nakayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Collaborative information processing system and workstation
Patent number
5,379,374
Issue date
Jan 3, 1995
Hitachi, Ltd.
Takeshi Ishizaki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method and system for storing and retrieving collaboratively proces...
Patent number
5,363,507
Issue date
Nov 8, 1994
Hitachi, Ltd.
Yoshiyuki Nakayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Group working system having operator discriminating function
Patent number
5,353,398
Issue date
Oct 4, 1994
Hitachi, Ltd.
Chiho Kitahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method for performing interlocution at a plurality of te...
Patent number
5,280,583
Issue date
Jan 18, 1994
Hitachi, Ltd.
Yoshiyuki Nakayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Control method and system for establishing a connection among termi...
Patent number
5,247,615
Issue date
Sep 21, 1993
Hitachi, Ltd.
Kenjiro Mori
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Joint information processing system comprising a plurality of termi...
Patent number
5,208,912
Issue date
May 4, 1993
Hitachi, Ltd.
Yoshiyuki Nakayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of editing and circulating an electronic draft document amon...
Patent number
5,040,142
Issue date
Aug 13, 1991
Hitachi, Ltd.
Kenjiro Mori
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multi-window display system with modification or manipulation capab...
Patent number
4,806,919
Issue date
Feb 21, 1989
Hitachi, Ltd.
Yoshiyuki Nakayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Graphics in display unit
Patent number
4,779,081
Issue date
Oct 18, 1988
Hitachi, Ltd.
Yoshiyuki Nakayama
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
High speed image drawing method and apparatus therefor
Patent number
4,736,201
Issue date
Apr 5, 1988
Hitachi, Ltd.
Yoshiyuki Nakayama
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method for editing document
Patent number
4,608,662
Issue date
Aug 26, 1986
Hitachi, Ltd.
Shigeru Watanabe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for drawing lines
Patent number
4,539,563
Issue date
Sep 3, 1985
Hitachi, Ltd.
Kazuaki Sako
G06 - COMPUTING CALCULATING COUNTING